Apparatus and method for performing vertical handover in a...

Details Apparatus and method for performing vertical handover in a... Apparatus and method for performing vertical handover in a...

2008-10-01

2011-11-01

Nguyen, David Q (Department: 2617)

Telecommunications

Radiotelephone system

Zoned or cellular telephone system

C455S437000, C455S438000, C455S439000, C455S442000, C455S432100, C455S435200, C370S331000, C370S332000

Reexamination Certificate

active

08050680

ABSTRACT:
A vertical handover method and apparatus in a wireless communication system are provided, in which a serving network selects a target network for a vertical handover of a terminal from among at least one candidate target network to which the terminal can perform the vertical handover, transmits information about the selected target network to the terminal, and requests the vertical handover of the terminal to the target network, the target network acquires a profile of the terminal from a policy store, upon receipt of the vertical handover request from the serving network, the terminal requests a connection to the target network, and the target network transmits information about a router to which the terminal will connect to the terminal, upon receipt of the connection request from the terminal and updates a proxy binding for the terminal in the policy store.

REFERENCES:
patent: 7796553 (2010-09-01), Lee
patent: 2008/0064402 (2008-03-01), Oh
patent: 2008/0080426 (2008-04-01), Kim et al.
patent: 2008/0101300 (2008-05-01), Oh
patent: 2008/0273500 (2008-11-01), Suh et al.
patent: 10-2007-0025964 (2007-03-01), None
Office Action dated Oct. 18, 2010 in connection with Korean Patent Application No. 10-2007-0099371.

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